Dnia 27.10.2023 o godz. 15:19:33 Cyril - ImprovMX via mailop pisze: > > It's been quite common to refuse a server connecting that doesn't have a > proper PTR, but I was wondering if there was any recommendation (either > official via RFC or standard practice) about a server connecting with a PTR > that is different from the announced hostname at the HELO/EHLO command.
From my experience, it happens quite often. I once checked HELO/PTR alignment on my server, but it resulted in a LOT of false positives and rejecting legitimate mail. So I wouldn't recommend it. -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop